1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef INTELCONTEXT_INC
29 #define INTELCONTEXT_INC
37 #include "intel_screen.h"
38 #include "i830_common.h"
39 #include "tnl/t_vertex.h"
41 #define TAG(x) intel##x
42 #include "tnl_dd/t_dd_vertex.h"
45 #define DV_PF_555 (1<<8)
46 #define DV_PF_565 (2<<8)
47 #define DV_PF_8888 (3<<8)
52 typedef void (*intel_tri_func
)(struct intel_context
*, intelVertex
*, intelVertex
*,
54 typedef void (*intel_line_func
)(struct intel_context
*, intelVertex
*, intelVertex
*);
55 typedef void (*intel_point_func
)(struct intel_context
*, intelVertex
*);
57 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
58 #define INTEL_FALLBACK_READ_BUFFER 0x2
59 #define INTEL_FALLBACK_USER 0x4
60 #define INTEL_FALLBACK_RENDERMODE 0x8
61 #define INTEL_FALLBACK_TEXTURE 0x10
63 extern void intelFallback( struct intel_context
*intel
, GLuint bit
, GLboolean mode
);
64 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
68 struct intel_texture_object
70 struct gl_texture_object base
; /* The "parent" object */
72 /* The mipmap tree must include at least these levels once
78 GLuint dirty_images
[6];
81 /* On validation any active images held in main memory or in other
82 * regions will be copied to this region and the old storage freed.
84 struct intel_mipmap_tree
*mt
;
91 GLcontext ctx
; /* the parent class */
94 void (*destroy
)( struct intel_context
*intel
);
95 void (*emit_state
)( struct intel_context
*intel
);
96 void (*emit_invarient_state
)( struct intel_context
*intel
);
97 void (*lost_hardware
)( struct intel_context
*intel
);
98 void (*note_fence
)( struct intel_context
*intel
, GLuint fence
);
99 void (*note_unlock
)( struct intel_context
*intel
);
100 void (*update_texture_state
)( struct intel_context
*intel
);
102 void (*render_start
)( struct intel_context
*intel
);
103 void (*set_draw_region
)( struct intel_context
*intel
,
104 struct intel_region
*draw_region
,
105 struct intel_region
*depth_region
);
107 GLuint (*flush_cmd
)( void );
109 void (*emit_flush
)( struct intel_context
*intel
,
112 void (*reduced_primitive_state
)( struct intel_context
*intel
, GLenum rprim
);
114 GLboolean (*check_vertex_size
)( struct intel_context
*intel
, GLuint expected
);
116 void (*invalidate_state
)( struct intel_context
*intel
, GLuint new_state
);
120 void (*install_meta_state
)( struct intel_context
*intel
);
121 void (*leave_meta_state
)( struct intel_context
*intel
);
123 void (*meta_draw_region
)( struct intel_context
*intel
,
124 struct intel_region
*draw_region
,
125 struct intel_region
*depth_region
);
127 void (*meta_color_mask
)( struct intel_context
*intel
,
130 void (*meta_stencil_replace
)( struct intel_context
*intel
,
134 void (*meta_depth_replace
)( struct intel_context
*intel
);
136 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
138 void (*meta_no_stencil_write
)( struct intel_context
*intel
);
139 void (*meta_no_depth_write
)( struct intel_context
*intel
);
140 void (*meta_no_texture
)( struct intel_context
*intel
);
141 void (*meta_import_pixel_state
) (struct intel_context
* intel
);
142 void (*meta_frame_buffer_texture
)( struct intel_context
*intel
,
143 GLint xoff
, GLint yoff
);
145 void (*meta_draw_quad
)(struct intel_context
*intel
,
146 GLfloat x0
, GLfloat x1
,
147 GLfloat y0
, GLfloat y1
,
149 GLubyte red
, GLubyte green
,
150 GLubyte blue
, GLubyte alpha
,
151 GLfloat s0
, GLfloat s1
,
152 GLfloat t0
, GLfloat t1
);
162 GLuint last_swap_fence
;
163 GLuint second_last_swap_fence
;
167 struct intel_batchbuffer
*batch
;
169 GLubyte clear_chan
[4];
174 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
175 GLuint depth_clear_mask
;
176 GLuint stencil_clear_mask
;
178 GLboolean hw_stencil
;
179 GLboolean hw_stipple
;
180 GLboolean depth_buffer_is_float
;
185 GLboolean strict_conformance
;
186 GLboolean need_flush
;
190 /* AGP memory buffer manager:
195 /* State for intelvb.c and inteltris.c.
197 GLenum render_primitive
;
198 GLenum reduced_primitive
;
200 struct intel_region
*front_region
;
201 struct intel_region
*back_region
;
202 struct intel_region
*draw_region
;
203 struct intel_region
*depth_region
;
205 /* These refer to the current draw (front vs. back) buffer:
207 int drawX
; /* origin of drawable in draw buffer */
209 GLuint numClipRects
; /* cliprects for that buffer */
210 drm_clip_rect_t
*pClipRects
;
211 struct gl_texture_object
*frame_buffer_texobj
;
214 drm_clip_rect_t draw_rect
;
215 drm_clip_rect_t scissor_rect
;
217 drm_context_t hHWContext
;
221 __DRIdrawablePrivate
*driDrawable
;
222 __DRIdrawablePrivate
*driReadDrawable
;
223 __DRIscreenPrivate
*driScreen
;
224 intelScreenPrivate
*intelScreen
;
225 volatile drmI830Sarea
*sarea
;
230 * Configuration cache
232 driOptionCache optionCache
;
240 int64_t swap_missed_ust
;
243 GLuint swap_missed_count
;
246 /* These are functions now:
248 void LOCK_HARDWARE( struct intel_context
*intel
);
249 void UNLOCK_HARDWARE( struct intel_context
*intel
);
252 #define SUBPIXEL_X 0.125
253 #define SUBPIXEL_Y 0.125
255 /* ================================================================
259 #define INTEL_PACKCOLOR4444(r,g,b,a) \
260 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
262 #define INTEL_PACKCOLOR1555(r,g,b,a) \
263 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
266 #define INTEL_PACKCOLOR565(r,g,b) \
267 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
269 #define INTEL_PACKCOLOR8888(r,g,b,a) \
270 ((a<<24) | (r<<16) | (g<<8) | b)
273 #define INTEL_PACKCOLOR(format, r, g, b, a) \
274 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
275 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
276 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
281 /* ================================================================
282 * From linux kernel i386 header files, copes with odd sizes better
283 * than COPY_DWORDS would:
285 #if defined(i386) || defined(__i386__)
286 static inline void * __memcpy(void * to
, const void * from
, size_t n
)
289 __asm__
__volatile__(
294 "1:\ttestb $1,%b4\n\t"
298 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
299 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
304 #define __memcpy(a,b,c) memcpy(a,b,c)
308 /* The system memcpy (at least on ubuntu 5.10) has problems copying
309 * to agp (writecombined) memory from a source which isn't 64-byte
310 * aligned - there is a 4x performance falloff.
312 * The x86 __memcpy is immune to this but is slightly slower
313 * (10%-ish) than the system memcpy.
315 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
316 * isn't much faster than x86_memcpy for agp copies.
318 * TODO: switch dynamically.
320 static inline void *do_memcpy( void *dest
, const void *src
, size_t n
)
322 if ( (((unsigned long)src
) & 63) ||
323 (((unsigned long)dest
) & 63)) {
324 return __memcpy(dest
, src
, n
);
327 return memcpy(dest
, src
, n
);
334 /* ================================================================
337 extern int INTEL_DEBUG
;
339 #define DEBUG_TEXTURE 0x1
340 #define DEBUG_STATE 0x2
341 #define DEBUG_IOCTL 0x4
342 #define DEBUG_PRIMS 0x8
343 #define DEBUG_VERTS 0x10
344 #define DEBUG_FALLBACKS 0x20
345 #define DEBUG_VERBOSE 0x40
346 #define DEBUG_DRI 0x80
347 #define DEBUG_DMA 0x100
348 #define DEBUG_SANITY 0x200
349 #define DEBUG_SYNC 0x400
350 #define DEBUG_SLEEP 0x800
351 #define DEBUG_PIXEL 0x1000
352 #define DEBUG_STATS 0x2000
353 #define DEBUG_TILE 0x4000
354 #define DEBUG_SINGLE_THREAD 0x8000
355 #define DEBUG_WM 0x10000
356 #define DEBUG_URB 0x20000
357 #define DEBUG_VS 0x40000
358 #define DEBUG_BATCH 0x80000
360 /* ================================================================
364 extern GLboolean
intelInitContext( struct intel_context
*intel
,
365 const __GLcontextModes
*mesaVis
,
366 __DRIcontextPrivate
*driContextPriv
,
367 void *sharedContextPrivate
,
368 struct dd_function_table
*functions
);
370 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
372 extern void intelFinish( GLcontext
*ctx
);
373 extern void intelFlush( GLcontext
*ctx
);
375 extern void intelInitDriverFunctions( struct dd_function_table
*functions
);
378 /* ================================================================
381 extern void intelInitStateFuncs( struct dd_function_table
*functions
);
383 #define COMPAREFUNC_ALWAYS 0
384 #define COMPAREFUNC_NEVER 0x1
385 #define COMPAREFUNC_LESS 0x2
386 #define COMPAREFUNC_EQUAL 0x3
387 #define COMPAREFUNC_LEQUAL 0x4
388 #define COMPAREFUNC_GREATER 0x5
389 #define COMPAREFUNC_NOTEQUAL 0x6
390 #define COMPAREFUNC_GEQUAL 0x7
392 #define STENCILOP_KEEP 0
393 #define STENCILOP_ZERO 0x1
394 #define STENCILOP_REPLACE 0x2
395 #define STENCILOP_INCRSAT 0x3
396 #define STENCILOP_DECRSAT 0x4
397 #define STENCILOP_INCR 0x5
398 #define STENCILOP_DECR 0x6
399 #define STENCILOP_INVERT 0x7
401 #define LOGICOP_CLEAR 0
402 #define LOGICOP_NOR 0x1
403 #define LOGICOP_AND_INV 0x2
404 #define LOGICOP_COPY_INV 0x3
405 #define LOGICOP_AND_RVRSE 0x4
406 #define LOGICOP_INV 0x5
407 #define LOGICOP_XOR 0x6
408 #define LOGICOP_NAND 0x7
409 #define LOGICOP_AND 0x8
410 #define LOGICOP_EQUIV 0x9
411 #define LOGICOP_NOOP 0xa
412 #define LOGICOP_OR_INV 0xb
413 #define LOGICOP_COPY 0xc
414 #define LOGICOP_OR_RVRSE 0xd
415 #define LOGICOP_OR 0xe
416 #define LOGICOP_SET 0xf
418 #define BLENDFACT_ZERO 0x01
419 #define BLENDFACT_ONE 0x02
420 #define BLENDFACT_SRC_COLR 0x03
421 #define BLENDFACT_INV_SRC_COLR 0x04
422 #define BLENDFACT_SRC_ALPHA 0x05
423 #define BLENDFACT_INV_SRC_ALPHA 0x06
424 #define BLENDFACT_DST_ALPHA 0x07
425 #define BLENDFACT_INV_DST_ALPHA 0x08
426 #define BLENDFACT_DST_COLR 0x09
427 #define BLENDFACT_INV_DST_COLR 0x0a
428 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
429 #define BLENDFACT_CONST_COLOR 0x0c
430 #define BLENDFACT_INV_CONST_COLOR 0x0d
431 #define BLENDFACT_CONST_ALPHA 0x0e
432 #define BLENDFACT_INV_CONST_ALPHA 0x0f
433 #define BLENDFACT_MASK 0x0f
435 extern int intel_translate_shadow_compare_func( GLenum func
);
436 extern int intel_translate_compare_func( GLenum func
);
437 extern int intel_translate_stencil_op( GLenum op
);
438 extern int intel_translate_blend_factor( GLenum factor
);
439 extern int intel_translate_logic_op( GLenum opcode
);
442 /* ================================================================
445 void intelInitBufferFuncs( struct dd_function_table
*functions
);
447 struct intel_region
*intel_readbuf_region( struct intel_context
*intel
);
448 struct intel_region
*intel_drawbuf_region( struct intel_context
*intel
);
450 extern void intelWindowMoved( struct intel_context
*intel
);
452 extern GLboolean
intel_intersect_cliprects( drm_clip_rect_t
*dest
,
453 const drm_clip_rect_t
*a
,
454 const drm_clip_rect_t
*b
);
457 /* ================================================================
458 * intel_pixel_copy.c:
460 void intelCopyPixels(GLcontext
* ctx
,
461 GLint srcx
, GLint srcy
,
462 GLsizei width
, GLsizei height
,
463 GLint destx
, GLint desty
, GLenum type
);
465 GLboolean
intel_check_blit_fragment_ops(GLcontext
* ctx
);
467 void intelBitmap(GLcontext
* ctx
,
469 GLsizei width
, GLsizei height
,
470 const struct gl_pixelstore_attrib
*unpack
,
471 const GLubyte
* pixels
);
473 void intelInitExtensions(GLcontext
*ctx
, GLboolean enable_imaging
);
474 #define _NEW_WINDOW_POS 0x40000000
477 /*======================================================================
478 * Inline conversion functions.
479 * These are better-typed than the macros used previously:
481 static inline struct intel_context
*intel_context( GLcontext
*ctx
)
483 return (struct intel_context
*)ctx
;
486 static inline struct intel_texture_object
*intel_texture_object( struct gl_texture_object
*obj
)
488 return (struct intel_texture_object
*)obj
;
491 static inline struct intel_texture_image
*intel_texture_image( struct gl_texture_image
*img
)
493 return (struct intel_texture_image
*)img
;